一种流动控制器,具有第一和第二调节级。
A flow controller having a first and second stages of regulation.
对一种双列调节级的热力计算方法作了介绍。
The authors have come up with a thermodynamic calculation method for a turbine dual row governing stage.
汽轮机在变工况条件下,调节级的计算比较复杂。
The calculation of turbine regulating stage is complex under the variable operation condition.
固体颗粒冲蚀严重影响超常参数汽轮机调节级喷嘴寿命。
Solid particle erosion (SPE) is very critical on the life cycle of control stage nozzle for supernormal parameters steam turbine.
DEH调节系统的阀门管理提供了改善调节级特性的空间。
Valve management in DEH control system provides the best possible improving the governing stage performance.
选择合适的调节阀重叠度能够提高调节级效率;合理的开启顺序可以减轻轴承载荷。
Choosing proper opening lap value between governing valves can improve governing stage efficiency.
数据采集系统通常在前面的信号调节级中需要反叠叠低通滤波器以及低通噪声滤波器。
Data acquisition systems usually require anti-superimposing low-pass filter as well as low-pass noise filters in their preceding signal conditioning stages.
以一台300MW汽轮机组的调节级静叶栅为研究对象,就轴封漏汽对叶栅二次流及出口流场的影响进行了数值模拟。
In this paper the effects of gland leakage on the secondary flow and outlet flow fields in the governing stage stator cascade of a 300mw turbine set are simulated numerically.
对侧装式调节级动叶的强度振动计算分析及其应用范围进行了介绍 ,并对部分进汽时进汽喷嘴的布置方法提出了建议。
The vibrational stress analysis and the application range of the side entry blade are introduced in this paper, and the suggestion of the nozzle arrangement is also given.
DEH系统中阀位传感器的故障会给阀门管理带来混乱,特别在调节级压力回路未投入的情况下会引起汽机功率的较大变化。
The failure of valve opening sensor would cause valve management of DEH system working confusedly, and result in large scale change of turbine power in the case of governing stage pressure loop idle.
优化了300MW汽轮机的调节级,采用了子午面端壁收缩的弯曲叶栅,动叶为自带围带三销钉三联叶片,再用铆接围带形成整圈联结叶片。
The control stage of improved 300MW steam turbine used bowed static blade cascades with convergent tip endwall and integral shroud triple pin rotating blades.
其结果是降低了一级资本中的风险调节性资产,至少降低了2%。
The effect was to lower Tier 1 capital to as little as 2% of risk-adjusted assets.
该方法是通过调节转子回路附加电阻的有级调速,难以实现平滑地调速,而且调节性能差,调速过程中大量的转差功率通过转子回路电阻转化为热能消耗掉了。
This method regulates speed by changing the number of steps of the additional resistor in the rotor circuit, so it's hard to realize smooth speed-regulation, also its performance is poor.
论述了如何应用最佳调节理论在温度-电压串级调节系统中进行参数整定。
This paper describes how to apply best adjustment theory to fix the parameters in a temperature-voltage adjusting system.
扩大供热抽汽压力调节范围及采用热网回冰的两级加热,可进一步提高该型机组的节能效益。
The energy-saving results of these units can be further improved by widening the regulating range of the extraction pressure and by using tow-stage heating of district-heating return water.
最优设计结果使开关调节系统的增广ISE指标最小以及功率级电路重量最小,并满足所有静态和动态性能要求。
The optimum design results in a minimum augmented ISE index of the regulator system and a minimum weight of the power stage satisfying all the static and dynamic performance specifications.
增量运动控制系统涉及微秒级甚至纳秒级的电力电子器件的开关暂态过程、毫秒级的数字控制器调节过程和秒级的电动机机电过渡过程。
Increment motion control system refers to microsecond even nanosecond electronic apparatus switch transient process, millisecond digital controller adjust process and second motor transition process.
结论:激素替代治疗有明显调节脂代谢的作用,对心脑血管疾病的发生有一级康复干预作用。
CONCLUSION: Hormone replacement therapy can regulate lipid metabolism obviously, and has the effect of the primary rehabilitative intervention on the occurrence of cardiovascular diseases.
通过设计的调节站,该装置可以进行单级制冷循环、双级制冷循环以及复叠式制冷循环。
The system could carry on the single-series refrigeration cycle, double-series refrigeration cycle and cascade refrigeration cycle through the designed regulating station.
本文首先讨论了异步电动机串级调速系统的原理及其调节器及输入滤波器的整定过程。
Firstly this paper discusses the principle and tuning process of the regulators and input filters of asynchronous motor cascade speed regulation systems.
串级控制系统采用了两个调节器,因此它的调节器的参数整定更复杂一些。
The cascade control system has used two regulators, therefore it is more complex to set its regulator parameter.
UT西南医学中心的研究者们研究了转crp基因的小鼠,这种小鼠的CRP可以通过规定的碳水化合物摄取来进行二级的基因调节。
Ut Southwestern researchers studied mice with an engineered gene for CRP that was under the regulation of a second gene responsive to changes in dietary carbohydrate intake.
这个优先级可以调节为从0到最大值255。
介绍了可以扩大被检纬纱种类和织造工艺要求的15级纬纱检测器灵敏度调节电路;
Moreover, we presented that the circuit can modulate the weft detector 's sensitivity of 15 grades, it can enlarge the scope of detected weft and improve technological level.
分析了一、二级管网在节热供热及升温供热过程中的运行调节方式。
The operation regulation mode of primary and secondary circuits in the course of heat-saving heating and warm-up heating is analyzed.
然后,设计模糊逻辑控制器,利用编队运行中的导航信息、通信信息以及任务优先级信息,对控制器增益进行模糊调节。
Then a fuzzy logic controller was designed as a regulator to modify the optimal control gains based on the run-time information, including navigation, communication, mission priority, and so on.
仿真结果表明,较之传统的过热汽温串级调节系统,采用该模型预测控制策略的过热汽温控制系统的控制性能有很大的提高。
The simulative results show that the control performance of the model predictive control system is superior to that of the traditional cascade control system.
通过改变催化剂和溶剂的用量,可以实现碳气凝胶的颗粒直径及孔洞由纳米到微米级的连续调节。
The structures of carbon aerogels are controlled from micro pore to macro pore by changing the concentration of catalyst and solvent.
智能电子开关自耦交流稳压电源由两只自耦变压器组成两级调节方式。
Capacity electron switch self coupling ac regulator, it is composed of twain class switch by BTA, that two self coupling transformer.
智能电子开关自耦交流稳压电源由两只自耦变压器组成两级调节方式。
Capacity electron switch self coupling ac regulator, it is composed of twain class switch by BTA, that two self coupling transformer.
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